guinea worm

(noun) a painful and debilitating infestation contracted by drinking stagnant water contaminated with Guinea worm larvae that can mature inside a human's abdomen until the worm emerges through a painful blister in the person's skin. Synonyms: Guinea worm disease, Guinea worm, dracunculiasis.

(noun) parasitic roundworm of India and Africa that lives in the abdomen or beneath the skin of humans and other vertebrates. Synonyms: Guinea worm, Dracunculus medinensis.